According to his statement, he committed the murder in Natmandir of the Gouramandir temple around 2pm on Tuesday
A mentally-challenged man surrendered to the police after slaughtering a man in Nasirnagar upazila of Brahmanbaria.
The detainee, Lobu Das, 50, turned himself in to Nasirnagar police station on Tuesday with the severed head of the victim.
According to his statement, he committed the murder in Natmandir of the Gouramandir temple around 2pm on Tuesday.
The murder victim, Liton Ghosh, 35, was rom Kuliachor of Kishorganj. He was visiting his sister's house in Nasirnagar.
Police said Liton was sleeping in the Natmandir premises when Lobu Das slaughtered Liton with a sharp weapon.
According to locals, Lobu Das was suspected of killing his uncle in the same manner a few years back.
Nasirnagar police station OC Sajedur Rahman said: "Lobu Das surrendered to the police with the severed head of the victim. Liton's dead body is being sent to Brahmanbaria Sadar Hospital for autopsy.
"We will investigate the matter when a case is filed by the victim's family."